基于Linux的802.11b无线局域网数据包捕获方法

Methods of Packet Capturing in 802.11b WLAN Based on Linux

数据包捕获是进行网络监测、流量分析等网管活动中所使用的基本技术。从无线局域网(WLAN)和有线局域网的区别出发,研究了WLAN包捕获的原理及无线网卡两种不同的捕包方法。

Packet capturing is a fundamental technique in the networks management activities,such as network monitoring,the analysis of traffic,and etc..Begins at the differences between Wireless Local Area Networks (WLAN) and Wired Local Area Networks,and then researches the principles of capturing packets in WLAN.Finally,two different methods of capturing packets using wireless network cards are provided.